PROBLEM TO BE SOLVED: To provide a table structure automatic recognition program, a table structure automatic recognition method and a table structure automatic recognition device capable of highly accurately performing automatic recognition of a table with simple definition of table structures.;SOLUTION: A computer executes processing comprising: extracting multiple tables from a document database storing document data including the multiple tables including multiple sections; referring to a table extraction condition database storing a first index of the tables to be extracted and checking the first index and data of the sections of index items included in each of the multiple tables against each other; extracting a table a check result of which satisfies a predetermined condition; and correcting, on the basis of a length of each section included in the table satisfying the predetermined condition, at least one of the length of the section of the index item and the length of the section of a data item corresponding to the index item, used for associating the section of the index item of the table and the section of the data item with each other.;COPYRIGHT: (C)2013,JPO&INPIT
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